The value of all land for sale in Colorado's Gilpin County recently was $37 million, representing a total of 751 acres of land for sale in Gilpin County. Gilpin County ranks 37th out of 64 counties in the Mile High State for the total number of acres of land currently advertised for sale. Of all locations in Gilpin County with farms, ranches, hunting land and other land for sale, Black Hawk had the most land for sale. Based on its natural assets, tourism and recreation are important contributors to the Gilpin County economy. Gilpin County is Colorado's 63rd biggest county (150 square miles). It's located in the Front Range Colorado region of the state.